Themify datastream link creation.

includes/datastream.inc

@@ -84,9 +84,12 @@ function islandora_datastream_get_url(AbstractDatastream $datastream, $type = 'd
  *   The datastream to generated the url to.
  */
 function islandora_datastream_get_delete_link(AbstractDatastream $datastream) {
-  $datastreams = module_invoke_all('islandora_undeletable_datastreams', $datastream->parent->models);
+  $message = islandora_deprecated('7.x-1.2', 'Use the "islandora_datastream_delete_link" theme implementation.');
-  $can_delete = !in_array($datastream->id, $datastreams) && islandora_datastream_access(FEDORA_PURGE, $datastream);
+  trigger_error($message, E_USER_DEPRECATED);
-  return $can_delete ? l(t('delete'), "islandora/object/{$datastream->parent->id}/datastream/{$datastream->id}/delete") : '';
+
+  return theme('islandora_datastream_delete_link', array(
+    'datastream' => $datastream,
+  ));
 }
 
 /**
@@ -96,9 +99,12 @@ function islandora_datastream_get_delete_link(AbstractDatastream $datastream) {
  *   The datastream to generated the url to.
  */
 function islandora_datastream_edit_get_link(AbstractDatastream $datastream) {
-  $edit_registry = module_invoke_all('islandora_edit_datastream_registry', $datastream->parent, $datastream);
+  $message = islandora_deprecated('7.x-1.2', 'Use the "islandora_datastream_edit_link" theme implementation.');
-  $can_edit = count($edit_registry) > 0 && islandora_datastream_access(FEDORA_METADATA_EDIT, $datastream);
+  trigger_error($message, E_USER_DEPRECATED);
-  return $can_edit ? l(t('edit'), "islandora/object/{$datastream->parent->id}/datastream/{$datastream->id}/edit") : '';
+
+  return theme('islandora_datastream_edit_link', array(
+    'datastream' => $datastream,
+  ));
 }
 
 /**
@@ -156,10 +162,12 @@ function islandora_edit_datastream_registry_render(array $edit_registry) {
  *   user is not allowed to see the given datastream.
  */
 function islandora_datastream_get_download_link(AbstractDatastream $datastream) {
-  $label = t('download');
+  $message = islandora_deprecated('7.x-1.2', 'Use the "islandora_datastream_download_link" theme implementation.');
-  return islandora_datastream_access(FEDORA_VIEW_OBJECTS, $datastream) ?
+  trigger_error($message, E_USER_DEPRECATED);
-    l($label, islandora_datastream_get_url($datastream, 'download')) :
+
-    '';
+  return theme('islandora_datastream_download_link', array(
+    'datastream' => $datastream,
+  ));
 }
 
 /**
@@ -173,8 +181,10 @@ function islandora_datastream_get_download_link(AbstractDatastream $datastream)
  *   datastream ID if the user is not allowed to see the given datastream.
  */
 function islandora_datastream_get_view_link(AbstractDatastream $datastream) {
-  $label = check_plain($datastream->id);
+  $message = islandora_deprecated('7.x-1.2', 'Use the "islandora_datastream_view_link" theme implementation.');
-  return islandora_datastream_access(FEDORA_VIEW_OBJECTS, $datastream) ?
+  trigger_error($message, E_USER_DEPRECATED);
-    l($label, islandora_datastream_get_url($datastream, 'view')) :
+
-    $label;
+  return theme('islandora_datastream_view_link', array(
+    'datastream' => $datastream,
+  ));
 }

islandora.module

@@ -322,6 +322,22 @@ function islandora_theme() {
       'template' => 'theme/islandora-objects-list',
       'variables' => array('objects' => NULL),
     ),
+    'islandora_datastream_edit_link' => array(
+      'file' => 'theme/theme.inc',
+      'variables' => array('datastream' => NULL),
+    ),
+    'islandora_datastream_delete_link' => array(
+      'file' => 'theme/theme.inc',
+      'variables' => array('datastream' => NULL),
+    ),
+    'islandora_datastream_view_link' => array(
+      'file' => 'theme/theme.inc',
+      'variables' => array('datastream' => NULL),
+    ),
+    'islandora_datastream_download_link' => array(
+      'file' => 'theme/theme.inc',
+      'variables' => array('datastream' => NULL),
+    ),
   );
 }
 

theme/theme.inc

@@ -29,7 +29,9 @@ function islandora_preprocess_islandora_default_edit(array &$variables) {
     $rows[] = array(
       array(
         'class' => 'datastream-id',
-        'data' => islandora_datastream_get_view_link($ds),
+        'data' => theme('islandora_datastream_view_link', array(
+          'datastream' => $ds,
+        )),
       ),
       array(
         'class' => 'datastream-label',
@@ -49,15 +51,21 @@ function islandora_preprocess_islandora_default_edit(array &$variables) {
       ),
       array(
         'class' => 'datastream-download',
-        'data' => islandora_datastream_get_download_link($ds),
+        'data' => theme('islandora_datastream_download_link', array(
+          'datastream' => $ds,
+        )),
       ),
       array(
         'class' => 'datstream-edit',
-        'data' => islandora_datastream_edit_get_link($ds),
+        'data' => theme('islandora_datastream_edit_link', array(
+          'datastream' => $ds,
+        )),
       ),
       array(
         'class' => 'datastream-delete',
-        'data' => islandora_datastream_get_delete_link($ds),
+        'data' => theme('islandora_datastream_delete_link', array(
+          'datastream' => $ds,
+        )),
       ),
     );
   }
@@ -224,3 +232,75 @@ function islandora_preprocess_islandora_objects(array &$variables) {
   $module_path = drupal_get_path('module', 'islandora');
   drupal_add_css("$module_path/css/islandora.objects.css");
 }
+
+/**
+ * Renders a link to allow downloading of a datatream.
+ *
+ * @param array $vars
+ *   An array containing:
+ *   - datastream: An AbstractDatastream for which to generate a download link.
+ */
+function theme_islandora_datastream_download_link(array $vars) {
+  $datastream = $vars['datastream'];
+  module_load_include('inc', 'islandora', 'includes/utilities');
+
+  $label = t('download');
+  return islandora_datastream_access(FEDORA_VIEW_OBJECTS, $datastream) ?
+    l($label, islandora_datastream_get_url($datastream, 'download')) :
+    '';
+}
+
+/**
+ * Renders a link to allow viewing of a datatream.
+ *
+ * @param array $vars
+ *   An array containing:
+ *   - datastream: An AbstractDatastream for which to generate a view link.
+ */
+function theme_islandora_datastream_view_link(array $vars) {
+  $datastream = $vars['datastream'];
+  module_load_include('inc', 'islandora', 'includes/utilities');
+
+  $label = check_plain($datastream->label);
+  return islandora_datastream_access(FEDORA_VIEW_OBJECTS, $datastream) ?
+    l($label, islandora_datastream_get_url($datastream, 'view')) :
+    $label;
+}
+
+/**
+ * Renders a link to allow deleting of a datatream.
+ *
+ * @param array $vars
+ *   An array containing:
+ *   - datastream: An AbstractDatastream for which to generate a delete link.
+ */
+function theme_islandora_datastream_delete_link(array $vars) {
+  $datastream = $vars['datastream'];
+
+  $datastreams = module_invoke_all('islandora_undeletable_datastreams', $datastream->parent->models);
+
+  $can_delete = !in_array($datastream->id, $datastreams) && islandora_datastream_access(FEDORA_PURGE, $datastream);
+
+  return $can_delete ?
+    l(t('delete'), "islandora/object/{$datastream->parent->id}/datastream/{$datastream->id}/delete") :
+    '';
+}
+
+/**
+ * Renders a link to allow editing of a datatream.
+ *
+ * @param array $vars
+ *   An array containing:
+ *   - datastream: An AbstractDatastream for which to generate a edit link.
+ */
+function theme_islandora_datastream_edit_link(array $vars) {
+  $datastream = $vars['datastream'];
+
+  $edit_registry = module_invoke_all('islandora_edit_datastream_registry', $datastream->parent, $datastream);
+
+  $can_edit = count($edit_registry) > 0 && islandora_datastream_access(FEDORA_METADATA_EDIT, $datastream);
+
+  return $can_edit ?
+    l(t('edit'), "islandora/object/{$datastream->parent->id}/datastream/{$datastream->id}/edit") :
+    '';
+}